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radv: do VGT_FLUSH when switching NGG -> legacy on Sienna Cichlid

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Ported from RadeonSI.

Cc: 20.2
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7566>
(cherry picked from commit 0790105f2f)
This commit is contained in:
Samuel Pitoiset 2020-11-11 09:02:31 +01:00 • committed by Dylan Baker
parent 9bd698c5e5
commit 4dfd91217a
1 changed files with 5 additions and 4 deletions
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9
src/amd/vulkan/radv_cmd_buffer.c
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@ -4241,14 +4241,15 @@ void radv_CmdBindPipeline(
/* Prefetch all pipeline shaders at first draw time. */
cmd_buffer->state.prefetch_L2_mask |= RADV_PREFETCH_SHADERS;
if (cmd_buffer->device->physical_device->rad_info.chip_class == GFX10 &&
if ((cmd_buffer->device->physical_device->rad_info.chip_class == GFX10 ||
cmd_buffer->device->physical_device->rad_info.family == CHIP_SIENNA_CICHLID) &&
cmd_buffer->state.emitted_pipeline &&
radv_pipeline_has_ngg(cmd_buffer->state.emitted_pipeline) &&
!radv_pipeline_has_ngg(cmd_buffer->state.pipeline)) {
/* Transitioning from NGG to legacy GS requires
* VGT_FLUSH on Navi10-14. VGT_FLUSH is also emitted
* at the beginning of IBs when legacy GS ring pointers
* are set.
* VGT_FLUSH on GFX10 and Sienna Cichlid. VGT_FLUSH
* is also emitted at the beginning of IBs when legacy
* GS ring pointers are set.
*/
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_VGT_FLUSH;
}